Amanda Felicitas Stepto (born 31 July 1970) is a Canadian former actress who gained nationwide fame for her role as teen mother Christine "Spike" Nelson in the Degrassi franchise. Having no previous acting experience, Stepto rose to national prominence in the late 1980s portraying Spike on Degrassi Junior High (1987-89) and its follow-up Degrassi High (1989-91), of which were critical and commercial successes for the CBC.